Answer:

SOT

Answer	Crossword Clue
SOT	He's in his cups
SOT	Tippler
SOT	Lush

SOT	Mayberry's Otis, e.g.
SOT	Pink-elephant sighter
SOT	Rummy
SOT	Barfly
SOT	Boozer
SOT	Drunkard
SOT	One with bottled-up feelings?
SOT	James Joyce, e.g.

SOT	W.C. Fields persona
SOT	Toper
SOT	Overdrinker
SOT	No teetotaler
SOT	Elbow-bender
SOT	One often blotto
SOT	Drunk
SOT	Barstool drop-off

SOT	Dipsomaniac
SOT	One that's often smashed
SOT	Juicer
SOT	Regular glass elevator?
SOT	Frequent reorderer?
SOT	Inebriate
SOT	One in need of drying out
SOT	One who can't pass the bar?

SOT	Heavy drinker
SOT	Guzzler
SOT	More than the occasional drinker
SOT	Plastered one
SOT	Boozehound
SOT	Bouncer's handful
SOT	Drunk tank regular
SOT	One lit in a bar?

SOT	One who may not be served
SOT	Serious elbow-bender
SOT	One on a liquid diet?
SOT	Pink-elephant spotter, stereotypically
SOT	He can't pass the bar